/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraCommon.h
namespace FNiagaraUtilities { [FString](API\Runtime\Core\Containers\FString) FNiagaraUtilities::SystemInstanceIDToString ( [FNiagaraSystemInstanceID](API\Plugins\NiagaraCore\FNiagaraSystemInstanceID) ID ) }